\begin{figure}[htb]
	\centering
	
	\begin{pdfpic}
	\psset{unit=0.90cm}
	\begin{pspicture}
\psline[linewidth=0.2cm,arrowsize=0.073cm 2.0,arrowlength=0.6,arrowinset=0.3]{<-}(6.2,1.1)(6.2,-0.9)
\psframe[linewidth=0.1,framearc=0.1,dimen=outer,shadow=true,shadowangle=-45.0,fillstyle=solid](7.6,0.5)(0.4,-0.5)
\usefont{T1}{ppl}{m}{n}
\rput(4.0684032,0.02){\small Network}
\psframe[linewidth=0.1,framearc=0.5,dimen=outer,shadow=true,shadowangle=-45.0,fillstyle=solid](15.6,1.9)(0.0,1.1)
\psframe[linewidth=0.1,framearc=0.1,dimen=outer,shadow=true,shadowangle=-45.0,fillstyle=solid](7.6,-0.9)(0.4,-1.9)
\usefont{T1}{ppl}{m}{n}
\rput(4.20209,-1.38){\small View-Dependent Renderer}
\psline[linewidth=0.2cm,arrowsize=0.073cm 2.0,arrowlength=0.6,arrowinset=0.3]{<-}(2.2,1.1)(2.2,0.5)
\psline[linewidth=0.2cm,arrowsize=0.073cm 2.6,arrowlength=0.6,arrowinset=0.3]{<-}(10.0,1.1)(10.0,0.5)
\usefont{T1}{ppl}{m}{n}
\rput(7.8349805,1.455){\large Client Central Controller}
\psframe[linewidth=0.1,framearc=0.1,dimen=outer,shadow=true,shadowangle=-45.0,fillstyle=solid](15.2,-0.9)(8.0,-1.9)
\usefont{T1}{ppl}{m}{n}
\rput(11.731553,-1.38){\small Interactive User Interface}
\psline[linewidth=0.2cm,arrowsize=0.073cm 2.0,arrowlength=0.6,arrowinset=0.3]{<-}(13.0,1.1)(13.0,-0.9)
\psframe[linewidth=0.1,framearc=0.1,dimen=outer,shadow=true,shadowangle=-45.0,fillstyle=solid](15.2,0.5)(8.0,-0.5)
\usefont{T1}{ppl}{m}{n}
\rput(11.7696,0.02){\small PM Manager}
	\end{pspicture}
	\end{pdfpic} 
	\caption{Client Central Controller Component}
	\label{fig:clientcentral}

\end{figure}